Answer:
I Think it would be the last one
I am not sure becasue the third one can be true too
Explanation:
Radio waves are electromagnetic waves and as such travel at the speed of light. Waves emitted a century ago would be 100 hundred light years away. A light year is the distance light travels in one year. In one year light travels about 5.9 trillion miles. therefore the waves traveled about 590 trillion miles in a century.
They started to separate into different countries.
The right answer for the question that is being asked and shown above is that: "Governments did not get involved – and allowed farmers to grow whatever they pleased." Governments and international organizations cut down on the number of opium farms is that governments did not get involved – and allowed farmers to grow whatever they pleased<span>
</span>